【Upgraded Extra Long Shelf's Arms】The shelf's arms are 34.5CM /13.6 inch,It will provide more compatibility. 【Make Sure Bike Has Mounting Holes】The rear rack is adjustable,Compatibility with 26"-29" and 700c wheels or Fat Tire Bikes.But please make sure there are mounting holes on your bike to bolt the rack in, or the bike cargo rack will not fit your bike! 【Tough and Lightweight】Whether you’re popping over to the shops or are on a long-distance tour, this bike rack will give you a boost and support your cargo effectively with the TIG-welded aluminum frame and 5- Point Support Strcture. And alos,The bike rack is very lightweight，it doesn't add any extra burden to your ride. 【MORE GUARD】Top fender panel acts as a mudguard, protecting your bag from road spray ;The enlarged side bars keep panniers from rubbing on tires or spokes;Comes with a big red reflector for safety when cycling at night. Anti-loosening stainless steel screws will not loosen on rough roads or get rusty after light rains. Cargo latex net(no terrible chemical smell) will cover around your baggage,parcels and luggage for extra security. 【Package contents】If the bike carriers racks part is missing, please contact us in time and we will reissue it. Package Included: 1*Bike Cargo Rack,1*Large size reflector,1*cargo latex net,1*middle U-connector,1*Instructions,1* Wrench,1 *Allen Key. For long bike tours, car-free living, die-hard bike commuting, running small errands around the neighborhood, or just carrying gear in an efficient way to avoid a sweaty back, YONTUO bike cargo rack comes in handy. Increase your hauling capacity and add versatility to your bike with its high strength and sturdy construction.